ARM: dts: pbab01: enable I2S audio on phyFLEX-i.MX6 boards

Audio on phyFLEX boards is presented by tlv320aic3007 codec connected
over SSI interface.

Signed-off-by: Dmitry Lavnikevich <d.lavnikevich@sam-solutions.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
diff --git a/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi b/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi
index aa22756..ab3b1f9 100644
--- a/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi
@@ -58,6 +58,12 @@
 	};
 };
 
+&audmux {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_audmux>;
+	status = "disabled";
+};
+
 &ecspi3 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_ecspi3>;
@@ -319,6 +325,15 @@
 				MX6QDL_PAD_ENET_TXD1__GPIO1_IO29 0x80000000
 			>;
 		};
+
+		pinctrl_audmux: audmuxgrp {
+			fsl,pins = <
+				MX6QDL_PAD_DISP0_DAT16__AUD5_TXC	0x130b0
+				MX6QDL_PAD_DISP0_DAT17__AUD5_TXD	0x110b0
+				MX6QDL_PAD_DISP0_DAT18__AUD5_TXFS	0x130b0
+				MX6QDL_PAD_DISP0_DAT19__AUD5_RXD	0x130b0
+			>;
+		};
 	};
 };